Run: 2026-05-01-01KQHQYWGR75DJQM0F80HW41T3

Run Details

Model:
Grok 4.20
Test:
Data extraction
Scenario:
Who's the tallest?
Duration:
885ms
Cost:
$0.000142
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
Pass Matches text (details)
Pass Matches Regex (details)
no eval Overall

Model input

User/Human
Who is the tallest person based on the following text? Only return the name, nothing else. Jack is shorter than Jill. Jill is taller than Tom but shorter than Sarah. Mike is the same height as Jack.

Model response

AI
Sarah
created_at"2026-05-01T12:24:33.577Z" 5/1/2026, 12:24:33 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency819
moderation_latency(null)
generation_time847
tokens_prompt52
tokens_completion2
native_tokens_prompt165
native_tokens_completion1
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached64
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.00014155
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"a30fe580-b3b9-0916-02de-148e46d45015"
is_byokfalse
latency392
model_permaslug"x-ai/grok-4.20-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777638273-sgZdRgVy8P6nMlmUAfiB"
session_id(null)
api_type"completions"
id"gen-1777638273-3QrCLoYOhTsbjj0L6M5J"
upstream_id"a30fe580-b3b9-0916-02de-148e46d45015"
total_cost0.00014155
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
Pass Matches text
Case sensitive: Sarah
 n/a
Pass Matches Regex
/\bSarah\b/
 n/a
no eval